Carter P Johnson Dam

Carter P Johnson Dam is an earth dam located in Sioux County, Nebraska, built in 1935. It carries a High hazard potential classification and has a poor condition assessment.

About Carter P Johnson Dam

The primary purpose of Carter P Johnson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nebraska Game & Parks Commission (state). It impounds the Soldier Creek near Crawford.

The dam stands 35 feet tall and stretches 480 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 202 acre-feet, and collects water from a drainage area of 52 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 06/04/2024.

At 35 feet, this dam is taller than 82% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Nebraska dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNebraska
CountySioux
Nearest CityCrawford
River/StreamSoldier Creek
Coordinates42.68146, -103.52070

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length480 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage202 acre-ft
Max Storage202 acre-ft
Normal Storage42 acre-ft
Surface Area16 acres
Drainage Area52 sq mi
Max Discharge7,879 cfs

Ownership & Safety

PurposeRecreation
OwnerNebraska Game & Parks Commission
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection06/04/2024
Emergency Action PlanYes

Identifiers

NID IDNE01124
Federal IDNE01124
More InfoState Dam Safety Program

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